DOTD says the boat will no longer carry vehicles, but motorized scooters will be allowed with the following stipulations:

-Motorized scooters will be charged a toll.

-A maximum of five (or less depending on their size and the space available) scooters will be allowed aboard the vessel at a time.

-Scooter motors must be turned off prior to boarding the vessel and must remain off until the scooter is off the vessel.

-A scooter will not be allowed to board if it has any oil or fuel leaks.

-All scooters must be stored on the open bow of the vessel.

-The scooter operator must be able to manually push the scooter aboard the vessel and maneuver it to the designated spot on the bow of the vessel. Vessel crew will not be allowed to assist in this process.

-The scooter operator must remain with the scooter at all times while it is aboard the vessel.

-Scooters may only briefly enter the interior passenger area while maneuvering to the bow area.

The Obama administration will unveil a major climate change plan Monday aimed at a large reduction in greenhouse gas emissions from the nation's coal-burning power plants, a senior administration official told CNN.